133199719900 has 36 divisors (see below), whose sum is σ = 311277502312. Its totient is φ = 49181434560.

The previous prime is 133199719883. The next prime is 133199719909. The reversal of 133199719900 is 9917991331.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133199719909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51229362 + ... + 51231961.

Almost surely, 2^133199719900 is an apocalyptic number.

133199719900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133199719900 is an abundant number, since it is smaller than the sum of its proper divisors (178077782412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133199719900 is a wasteful number, since it uses less digits than its factorization.

133199719900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102461350 (or 102461343 counting only the distinct ones).

The product of its (nonzero) digits is 413343, while the sum is 52.

The spelling of 133199719900 in words is "one hundred thirty-three billion, one hundred ninety-nine million, seven hundred nineteen thousand, nine hundred".